Load data for .30 Super Carry + .313 | 78gr | Rim Rock RN Cowboy

Recommended Powder(s): Alliant BULLSEYE, Lovex S020, SNPE Vectan BA 9, SNPE Vectan BA9 1/2, Somchem MP200

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:	.313 \| 78gr \| Rim Rock RN Cowboy
Manufacturer SKU:	#004
Bullet Weight:	78gr \| 5.1g
Bullet Diameter:	0.313" \| 7.95mm
Bullet Length:	0.471" \| 12.0mm
Caliber:	.30 Super Carry load data
Case Length (l3):	0.827" \| 21.0mm
Cartridge Length (C.O.L.):	1.151" \| 29.2mm
Seated Depth:	0.147" \| 3.7mm
Shank Seated Depth:	0.147" \| 3.7mm
Case Capacity:	13.0 Grains of Water \| 0.84 cm³
Primer Size:	Large Pistol (LP)
Max. allowed Pressure:	49313 psi \| 3400 bar
LID:	LID_B10501_C317
Last updated:	2025-02-02

Load data for 122 loads in caliber .30 Super Carry with .313 | 78gr | Rim Rock RN Cowboy bullet and 61 powders such as Alliant BULLSEYE, Lovex S020, SNPE Vectan BA 9, SNPE Vectan BA9 1/2, Somchem MP200. The key underlying parameters are shown in the table above.

Important Notice: DO NOT go below Minimum Charge or above Maximum Charge unless there are reasons. Since xxlreloading.com has no control over the equipment and components used by the customer and the data used in connection with the website, any responsibility and liability for the results achieved is rejected. Also see our Terms of Service.

Questions regarding the load data: Please read the information in the next tab "Explanations".
A load must fulfill certain criteria to be listed in the default view below - see "powder criteria to fulfill to be listed".

Our load data might deviate from other sources - see the "most common reasons for deviations".

All loads are based on the bullet and case dimensions shown under "Load Specifications" - see "reloading suggestions" if you deviate.

You can set your specifications in the "Personalized Load Calculator".

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Barrel Length (cm)
Safety Buffer (%)
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Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

Our default view only displays powders/loads that fulfill certain criteria: Max pressure of a load <=90% of Max. Standardized Pressure. Fill Rate (Min FR): >80% and <100% for rife loads, >60% and <100% for pistol loads. Min. Propellant Combustion (Min z): >90% for rifle loads , >80% for pistol/revolver loads. Relax these criteria at your own risk to potentially get more powders shown in the load tables.

Click on the desired row in the tables below to add a specific load / powder to your Diary and manage there.

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	96%	22916	46%	**55	84%
ADI AP 70N	<<locked>>	88%	44135	89%	**31	100%
ADI APS 350	<<locked>>	93%	43961	89%	**88	100%
ADI APS 450	<<locked>>	95%	43497	88%	**27	100%
ADI AS 30	<<locked>>	96%	41234	84%	**67	100%
ADI AS 50N	<<locked>>	93%	42424	86%	**39	100%
Accurate No. 2	<<locked>>	92%	42873	87%	**04	100%
Accurate No. 5	<<locked>>	77%	42250	86%	**96	96%
[Accurate No. 7]*	<<locked>>	96%	42757	87%	**49	84%
Accurate Solo 1000	<<locked>>	95%	42221	86%	**06	100%
Accurate Solo 1250	<<locked>>	97%	37086	75%	**19	100%
Alliant BULLSEYE 👍	<<locked>>	92%	44063	89%	**83	100%
Alliant POWER PISTOL	<<locked>>	96%	35752	72%	**63	91%
Alliant UNIQUE	<<locked>>	95%	34316	70%	**68	100%
Baschieri & Pellagri 100	<<locked>>	97%	42250	86%	**12	100%
Hodgdon Clays	<<locked>>	90%	41582	84%	**81	100%
Hodgdon HP38	<<locked>>	73%	43540	88%	**75	100%
Hodgdon HS-6	<<locked>>	83%	42235	86%	**80	98%
Hodgdon Longshot	<<locked>>	80%	43120	87%	**90	99%
Hodgdon TiteGroup	<<locked>>	67%	42772	87%	**03	100%
Hodgdon Universal	<<locked>>	95%	41466	84%	**01	100%
Hodgdon TrailBoss	<<locked>>	93%	9703	20%	**6	100%
Lovex D032	<<locked>>	65%	42743	87%	**55	100%
Lovex D036	<<locked>>	77%	42177	86%	**96	96%
[Lovex D037.1]*	<<locked>>	96%	42757	87%	**49	84%
Lovex S011	<<locked>>	83%	42540	86%	**39	100%
Lovex S020 👍	<<locked>>	92%	42337	86%	**14	100%
Maxam CSB 1	<<locked>>	95%	32401	66%	**50	100%
Maxam CSB 2	<<locked>>	95%	34011	69%	**99	100%
Maxam CSB 3	<<locked>>	94%	37217	75%	**90	100%
Maxam CSB 4	<<locked>>	96%	42105	85%	**26	100%
Maxam CSB 5	<<locked>>	91%	42337	86%	**67	100%
Ramshot Silhouette	<<locked>>	85%	43497	88%	**80	100%
Ramshot True Blue	<<locked>>	79%	43874	89%	**90	99%
Ramshot Zip	<<locked>>	74%	44324	90%	**91	100%
ReloadSwiss RS 12	<<locked>>	91%	42757	87%	**81	100%
ReloadSwiss RS 14	<<locked>>	96%	9137	19%	**2	97%
ReloadSwiss RS 20	<<locked>>	96%	33315	68%	**58	100%
[ReloadSwiss RS 24]*	<<locked>>	96%	33069	67%	**88	83%
Rottweil P 801	<<locked>>	85%	42569	86%	**42	100%
Rottweil P 806	<<locked>>	96%	23496	48%	**06	91%
SNPE Vectan A0	<<locked>>	95%	33634	68%	**90	100%
SNPE Vectan BA 9 👍	<<locked>>	95%	42380	86%	**81	100%
SNPE Vectan BA10	<<locked>>	88%	43497	88%	**27	100%
SNPE Vectan BA7 1/2	<<locked>>	97%	29907	61%	**76	95%
SNPE Vectan BA9 1/2 👍	<<locked>>	97%	41423	84%	**85	100%
Shooters World Auto Pistol	<<locked>>	77%	42177	86%	**96	96%
Shooters World Clean Shot	<<locked>>	65%	42743	87%	**55	100%
[Shooters World Major Pistol]*	<<locked>>	96%	42757	87%	**49	84%
Shooters World Ultimate Pistol	<<locked>>	65%	43149	87%	**63	100%
Somchem MP200 👍	<<locked>>	96%	44063	89%	**73	100%
Somchem MS200	<<locked>>	96%	38203	77%	**78	100%
Somchem S221	<<locked>>	88%	43004	87%	**16	91%
Vihtavuori 3N37	<<locked>>	96%	34751	70%	**91	97%
Vihtavuori N310	<<locked>>	79%	44019	89%	**40	100%
Vihtavuori N320	<<locked>>	95%	44048	89%	**58	100%
Vihtavuori N32C Tin Star	<<locked>>	96%	22945	47%	**07	100%
Vihtavuori N330	<<locked>>	96%	41684	85%	**01	100%
Vihtavuori N340	<<locked>>	97%	38914	79%	**88	100%
Vihtavuori N350	<<locked>>	95%	30879	63%	**16	96%
Winchester 231	<<locked>>	83%	44324	90%	**91	100%

Max Load - Barrel Length: 5.50''

Powder	Charge	FR	MaxP	%	V(0)	z
[ADI AP 100]*	<<locked>>	88%	19131	39%	**63	81%
ADI AP 70N	<<locked>>	60%	20204	41%	**63	100%
ADI APS 350	<<locked>>	62%	22234	45%	**06	100%
ADI APS 450	<<locked>>	60%	19798	40%	**96	100%
ADI AS 30	<<locked>>	61%	18043	37%	**12	100%
ADI AS 50N	<<locked>>	62%	19798	40%	**98	100%
Accurate No. 2	<<locked>>	62%	17216	35%	**65	92%
[Accurate No. 5]*	<<locked>>	61%	24149	49%	**88	88%
[Accurate No. 7]*	<<locked>>	90%	34040	69%	**17	80%
Accurate Solo 1000	<<locked>>	62%	19305	39%	**65	100%
Accurate Solo 1250	<<locked>>	61%	14185	29%	**93	97%
Alliant BULLSEYE	<<locked>>	62%	19972	41%	**70	97%
[Alliant POWER PISTOL]*	<<locked>>	75%	20015	41%	**29	81%
Alliant UNIQUE	<<locked>>	61%	14257	29%	**25	92%
Baschieri & Pellagri 100	<<locked>>	61%	16404	33%	**15	100%
Hodgdon Clays	<<locked>>	62%	22495	46%	**22	100%
Hodgdon HP38	<<locked>>	61%	29936	61%	**01	100%
[Hodgdon HS-6]*	<<locked>>	62%	20581	42%	**93	87%
Hodgdon Longshot	<<locked>>	61%	21799	44%	**25	91%
Hodgdon TiteGroup	<<locked>>	61%	35317	72%	**17	100%
Hodgdon Universal	<<locked>>	62%	17463	35%	**98	99%
[Hodgdon TrailBoss]²	<<locked>>	59%	4815	10%	**9	92%
Lovex D032	<<locked>>	61%	37028	75%	**90	100%
[Lovex D036]*	<<locked>>	61%	24105	49%	**88	88%
[Lovex D037.1]*	<<locked>>	90%	34040	69%	**17	80%
Lovex S011	<<locked>>	61%	22669	46%	**60	100%
Lovex S020	<<locked>>	62%	16650	34%	**84	96%
Maxam CSB 1	<<locked>>	61%	13706	28%	**66	97%
Maxam CSB 2	<<locked>>	62%	13837	28%	**22	100%
Maxam CSB 3	<<locked>>	60%	15563	32%	**09	100%
Maxam CSB 4	<<locked>>	61%	17680	36%	**45	100%
Maxam CSB 5	<<locked>>	61%	19943	40%	**55	100%
Ramshot Silhouette	<<locked>>	61%	20117	41%	**76	94%
Ramshot True Blue	<<locked>>	62%	23743	48%	**68	92%
Ramshot Zip	<<locked>>	61%	28776	58%	**88	100%
ReloadSwiss RS 12	<<locked>>	62%	18521	38%	**27	100%
[ReloadSwiss RS 14]*	<<locked>>	62%	4786	10%	**6	86%
ReloadSwiss RS 20	<<locked>>	61%	12575	26%	**89	92%
[ReloadSwiss RS 24]*	<<locked>>	92%	29486	60%	**19	80%
Rottweil P 801	<<locked>>	61%	21988	45%	**57	100%
[Rottweil P 806]*	<<locked>>	81%	14170	29%	**43	81%
SNPE Vectan A0	<<locked>>	62%	14243	29%	**79	91%
SNPE Vectan BA 9	<<locked>>	62%	17448	35%	**65	98%
SNPE Vectan BA10	<<locked>>	62%	23380	47%	**65	100%
[SNPE Vectan BA7 1/2]*	<<locked>>	67%	13721	28%	**86	81%
SNPE Vectan BA9 1/2	<<locked>>	61%	16404	33%	**52	98%
[Shooters World Auto Pistol]*	<<locked>>	61%	24105	49%	**88	88%
Shooters World Clean Shot	<<locked>>	61%	37028	75%	**90	100%
[Shooters World Major Pistol]*	<<locked>>	90%	34040	69%	**17	80%
Shooters World Ultimate Pistol	<<locked>>	60%	36230	73%	**68	100%
Somchem MP200	<<locked>>	60%	16360	33%	**75	92%
Somchem MS200	<<locked>>	61%	15331	31%	**29	94%
[Somchem S221]*	<<locked>>	71%	24352	49%	**01	81%
[Vihtavuori 3N37]*	<<locked>>	62%	12517	25%	**83	81%
Vihtavuori N310	<<locked>>	62%	27818	56%	**50	100%
Vihtavuori N320	<<locked>>	62%	17680	36%	**71	100%
[Vihtavuori N32C Tin Star]²	<<locked>>	59%	9239	19%	**2	100%
Vihtavuori N330	<<locked>>	61%	14881	30%	**48	99%
Vihtavuori N340	<<locked>>	62%	14707	30%	**22	92%
[Vihtavuori N350]*	<<locked>>	63%	12082	25%	**63	80%
Winchester 231	<<locked>>	61%	23467	48%	**99	100%

Start Load - Barrel Length: 5.50''

Any powder missing? Then click here.

FR ... fill rate of the cartridge in percent

MaxP ... max. pressure of load in psi or bar

% ... max. pressure of load in percent of the maximum allowed pressure for this caliber

V(0) ... muzzle velocity in feet per second (fps) or meters per second (m/s)

z ... powder burnt in percent

[...] *... not dangerous but load has suboptimal powder burnt with possible characteristics such as extensive muzzle flash or inaccurate loads.

[...] ²... fill rate low - you might want to consider using a filler to ensure proper ignition.

[...] ᴾ... possible press load - work up slowly to this load while watching for signs of excessive pressure.

👍 ... recommended powder/load for this caliber and bullet combination based on its ballistic performance.